Dury: Coleoptera of Cincinnati. 131 
LASCONOTUS. 
L. pusillus Lec. 
. AULONIUM. 
A. parallelopipedum Say. ' A. tuberculatum Lec. 
COLYDIUM. 
C. lineola Say. 
PENTHELISPA. 
Py reflexa Say. 
PYCNOMERUS. 
P. sulcicollis Lec. 
BOTHRIDERES. 
B. geminatus Say. 
EROTYLATHRIS. 
FE. exaratus Meish. 
I found this nicely sculptured species but once abundantly. It 
was hatching from cocoons, that its larvae had constructed under 
the bark of a dead Elm tree. Many pupa had died in the cocoons 
evidently from the heat of the sun shinning on the bark. 
e CERYLON. 
C. castaneum Say. 
PHILOTHERMUS. 
errs ; P. glabriculus Lec. 
MYCHOCERUS. 
M. depressus Lec. 
See Dr. Horn’s paper on Colydiidae, Proc. Amer. Phil. Soc. 
tage, Vols VEL p. 555: 
REY SsODiIp Ay. 
RHYSSODES. 
hojexarata ll, 
CLINIDIUM. 
_C. sculptile Newm. 
See synopsis by LeConte Trans., V. 5, 1875, p. 162. There are 
only four N. A. species in the family. The other two being found 
in Cal. Ours live under bark of decaying logs, and are abundant. 
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